1. Department of Medical Oncology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Japan
2. Department of Breast Surgery, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Japan
3. Departments of Allergy and Respiratory Medicine, Okayama University Hospital, Japan
4. Departments of Breast and Endocrine Surgery, Okayama University Hospital, Japan
5. Department of Biostatistics, Sapporo Medical University, Japan
6. Division of Clinical Pharmacology & Translational Research, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Japan
7. Department of Surgery, Okayama Saiseikai General Hospital, Japan
8. Department of Surgery, Tsuyama Chuo Hospital, Japan